java 读取property文件_java读取property文件

property文件中：

url = jdbc:mysql://localhost:3306/resume

user= root

pwd = 123

java代码读取：

package com.util;

import java.io.InputStream;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.SQLException;

import java.util.Properties;

public class DBUtil {

//建立连接

public static Connection getConnection() throws Exception {

Connection conn = null;

String property=getProperty();

String[] propertys=property.split(" ");

String url = propertys[0];

String user = propertys[1];

String pwd = propertys[2];

try {

Class.forName("com.mysql.jdbc.Driver");

conn = DriverManager.getConnection(url, user, pwd);

} catch (Exception e) {

e.printStackTrace();

throw e;

}

return conn;

}

//获取property的配置文件

public static String getProperty()

{

Properties pro= new Properties();

String property="";

try

{

InputStream is = DBUtil.class.getResourceAsStream("../../config.property");

pro.load(is);

String url = pro.getProperty("url").trim();

String user = pro.getProperty("user").trim();

String pwd = pro.getProperty("pwd").trim();

property=url+" "+user+" "+pwd;

if(is!=null) is.close();

}catch(Exception e) {

System.out.println("there is error to read config file...");

e.printStackTrace();

}

return property;

}

}